CN211871463U

CN211871463U - Be applied to air supporting device of papermaking recovery fine and small fibre

Info

Publication number: CN211871463U
Application number: CN202020473628.4U
Authority: CN
Inventors: 刘志刚; 宋佃凤
Original assignee: Shandong Renfeng Speical Materials Co ltd
Current assignee: Shandong Renfeng Speical Materials Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-06
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the sewage treatment field, especially, be applied to air supporting device of papermaking recovery fine fibril, include along vertical direction place two branches on ground, the top fixed mounting of two branches has same collection box, and fixed mounting has the contact zone draft tube on the bottom inner wall of collection box, one side of collection box is equipped with main inlet tube, and the one end of main inlet tube extends to the collection box in, and extends to in the contact zone draft tube and fixed mounting on the inner wall of contact zone draft tube, one side fixed mounting of collection box has the outlet pipe, and the outlet pipe is located the top of main inlet tube, and the one end of outlet pipe extends to outside the collection box. The utility model discloses it is high to handle papermaking plain boiled water treatment effeciency, and equipment area is little, and the fibre rate of recovery is high, is fit for using widely.

Description

Be applied to air supporting device of papermaking recovery fine and small fibre

Technical Field

The utility model relates to a sewage treatment field especially relates to a be applied to air supporting device of papermaking recovery fine and small fibre.

Background

At present, three treatment modes for recovering fine fibers from papermaking circulating white water are provided:

1. carrying out precipitation treatment; 2. filtering; 3. and (4) air floatation treatment.

The sedimentation and filtration are more traditional treatment methods, and have a plurality of defects, such as small water treatment amount, long treatment period, incapability of ensuring treatment effect and the like.

The air flotation is a method for recovering fiber and treating sewage commonly used in papermaking water treatment. The method is characterized in that highly dispersed micro bubbles are formed in water by utilizing air, solid or liquid particles of hydrophobic groups in wastewater are adhered to form a water-gas-particle three-phase mixed system, after the bubbles are adhered to the particles, flocs with apparent density smaller than that of water are formed due to the existence of the air and float to the water surface, a scum layer is formed and scraped, and thus the process of separating solid from liquid or separating liquid from liquid is realized.

The conventional air floatation method for treating the papermaking white water has the defects of low treatment efficiency, large equipment floor area, low fiber recovery rate and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an air flotation device applied to papermaking recovery of fine fibers.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air flotation device applied to papermaking and fine fiber recovery comprises two support rods placed on the ground along the vertical direction, the top of the two support rods is fixedly provided with a same recovery box, the inner wall of the bottom of the recovery box is fixedly provided with a contact area guide cylinder, one side of the recovery box is provided with a main water inlet pipe, one end of the main water inlet pipe extends into the recovery box and extends into the contact area guide cylinder and is fixedly arranged on the inner wall of the contact area guide cylinder, one side of the recovery box is fixedly provided with a water outlet pipe, the water outlet pipe is positioned above the main water inlet pipe, one end of the water outlet pipe extends out of the recovery box, one side of the water outlet pipe is fixedly provided with a dissolved air water inlet pipe positioned outside the recovery box, the water outlet pipe is communicated with the dissolved air water inlet pipe, one end of the water inlet pipe is fixedly arranged in the recovery box, the other, the top fixed mounting of collection box has the support, and the top fixed mounting of support has the rotation motor, and the output shaft that rotates the motor extends to in the collection box, and fixed mounting has the recovery machine.

Preferably, one side of the recovery tank, which is far away from the dissolved air water inlet pipe, is fixedly provided with a recovery tank, and the bottom of the recovery tank is fixedly provided with a return pipe.

Preferably, the one end that the inlet tube is located the collection box extends to in the contact zone draft tube, and top fixed mounting has the dissolved air releaser, and the dissolved air releaser is located the contact zone draft tube and is located the outlet pipe and with between the main inlet tube.

Preferably, a water distribution pipe is fixedly installed on the main water inlet pipe and is positioned in the contact zone guide cylinder.

Preferably, a drain pipe is fixedly installed at the bottom of the recovery box and communicated with the contact zone guide cylinder.

In the utility model, an air floatation device for recovering fine fibers in papermaking, which is provided with a rotary motor support rod, a rotary motor main water inlet pipe, a rotary motor dissolved air water inlet pipe, a rotary motor water outlet pipe, a rotary motor recovery box, a rotary motor support, a rotary motor, a rotary motor recovery machine, a rotary motor recovery tank, a rotary motor backflow pipe, a rotary motor water collector, a rotary motor water inlet pipe, a rotary motor water distributor, a rotary motor blow-off pipe, a rotary motor contact area draft tube, a rotary motor dissolved air releaser, air water to be treated enters a tank body through the main water inlet pipe rotary motor and the rotary motor through the water distributor rotary motor at the bottom of the tank body, in the process of water inlet of the tank body, an air dissolved water pipeline and the dissolved air releaser rotary motor are arranged above the rotary motor of the water distributor, when the liquid level crosses the dissolved air water releaser to rotate the motor, the high-pressure dissolved air water can be released into the water body through the dissolved air water releaser to rotate the motor, the high-pressure dissolved air water released at normal pressure in the contact area is fully contacted and mixed with the white water, air is separated out to form micro bubbles, the micro bubbles are adhered to impurity flocs or fine fibers, the integral density of the fine fiber flocs is smaller than that of water, and the fine fiber flocs rise, so that solid and liquid are separated. After the fine fibers float to the water surface, the fine fibers are recovered into a recovery tank through a spiral recovery machine above the tank body, and then the fine fibers are recovered through a backflow pipe to rotate a motor to rotate the motor, so that the effects of saving the fibers, saving energy and reducing consumption are achieved.

The treated water goes to the next water using procedure through a water outlet pipeline. Part of the treated water is sent to a dissolved air water pump to contain air again to be used as dissolved air water for recycling.

The utility model discloses it is high to handle papermaking plain boiled water treatment effeciency, and equipment area is little, and the fibre rate of recovery is high, is fit for using widely.

Drawings

Fig. 1 is a schematic structural diagram of an air flotation device applied to recovering fine fibers in papermaking, according to the present invention;

fig. 2 is the schematic structural diagram of a part a of the air flotation device applied to the recovery of fine fibers in papermaking.

In the figure: the device comprises a support rod 1, a main water inlet pipe 2, a dissolved gas water inlet pipe 3, a water outlet pipe 4, a recovery tank 5, a support 6, a rotating motor 7, a recovery machine 8, a recovery tank 9, a return pipe 10, a water collector 11, a water inlet pipe 12, a water distribution pipe 13, a blow-off pipe 14, a contact area draft tube 15 and a dissolved gas releaser 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-2, an air flotation device applied to paper making and fine fiber recovery comprises two support rods 1 vertically placed on the ground, and is characterized in that the tops of the two support rods 1 are fixedly provided with a same recovery box 5, the inner wall of the bottom of the recovery box 5 is fixedly provided with a contact area guide cylinder 15, one side of the recovery box 5 is provided with a main water inlet pipe 2, one end of the main water inlet pipe 2 extends into the recovery box 5 and extends into the contact area guide cylinder 15 and is fixedly arranged on the inner wall of the contact area guide cylinder 15, one side of the recovery box 5 is fixedly provided with a water outlet pipe 4, the water outlet pipe 4 is positioned above the main water inlet pipe 2, one end of the water outlet pipe 4 extends out of the recovery box 5, the water outlet pipe 4 is fixedly provided with a water collector 11, the water collector 11 is positioned in the recovery box 15, one side of the water outlet pipe 4 is fixedly, outlet pipe 4 is linked together with dissolved air water inlet tube 3, and fixed mounting has the one end of inlet tube 12 in the collection box 5, and outside the other end of inlet tube 12 extended to collection box 5, inlet tube 12 was located outlet pipe 4 and main inlet tube 2 between, and the top fixed mounting of collection box 5 has support 6, and the top fixed mounting of support 6 has rotation motor 7, and the output shaft of rotation motor 7 extends to in the collection box 5, and fixed mounting has recovery machine 8.

Example 2

Referring to fig. 1-2, in the utility model, one side fixed mounting that the dissolved air water inlet pipe 3 was kept away from to collection box 5 has accumulator 9, and the bottom fixed mounting of accumulator 9 has back flow 10, can retrieve the tiny fibre through accumulator 10, then concentrate the recovery usefulness through back flow 10.

The utility model discloses in, the one end that inlet tube 12 is located the collection box 5 extends to in the contact zone draft tube 15, and top fixed mounting has dissolved gas releaser 16, dissolves gas releaser 16 and is located contact zone draft tube 15 and is located outlet pipe 4 with between main inlet tube 2, and the high pressure dissolves the air water and just can enter into contact zone draft tube 15 in releasing the water through dissolving air water releaser 16, and the high pressure of atmospheric pressure release dissolves air water and plain boiled water intensive contact mixture in the contact zone.

The utility model discloses in, fixed mounting has water distributor 13 on main inlet tube 2, and water distributor 13 is located contact zone draft tube 15, and pending plain boiled water gets into a jar body through water distributor 13 of main inlet tube 2 through jar body bottom.

In the utility model, the bottom of the recycling box 5 is fixedly provided with a sewage discharge pipe 14, the sewage discharge pipe 14 is communicated with the contact zone guide cylinder 15, and the sewage discharge pipe 14 is used for discharging sewage.

The utility model discloses in, pending plain boiled water gets into the jar body through the water distributor 13 of jar body bottom through main inlet tube 2, the in-process that the jar body was intake, there is dissolved gas water pipeline and dissolved air water releaser 16 in water distributor 13 top, when the liquid level overflowed dissolved air water releaser 16, high pressure dissolved air water just can enter into contact zone draft tube 15 in releasing the water through dissolved air water releaser 16, the high pressure of normal pressure release dissolves air water and plain boiled water intensive contact mixture in the contact zone, the air is appeared and is formed micro-bubble, the adhesion is on impurity flocculus or tiny fibre, cause tiny fibre flocculus bulk density to be less than water and rise, thereby make solid-liquid separation. After the fine fibers float to the water surface, the fine fibers are recycled into the recycling tank through the spiral recycling machine above the tank body and then are recycled in a centralized mode through the return pipe 10, and the effects of saving the fibers, saving energy and reducing consumption are achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an air supporting device for papermaking retrieves fine fiber, includes places two branch (1) on ground along vertical direction, its characterized in that, the top fixed mounting of two branch (1) has same collection box (5), and fixed mounting has contact zone draft tube (15) on the bottom inner wall of collection box (5), one side of collection box (5) is equipped with main inlet tube (2), and the one end of main inlet tube (2) extends to in collection box (5), and extends to in contact zone draft tube (15) and fixed mounting is on the inner wall of contact zone draft tube (15), one side fixed mounting of collection box (5) has outlet pipe (4), and outlet pipe (4) are located the top of main inlet tube (2), and the one end of outlet pipe (4) extends to outside collection box (5), and fixed mounting has water collector (11) on outlet pipe (4), water collector (11) is located collection box (5), one side fixed mounting of outlet pipe (4) has the air water inlet tube (3) of dissolving that is located collection box (5) outer, and outlet pipe (4) is linked together with dissolving air water inlet tube (3), fixed mounting has the one end of inlet tube (12) in collection box (5), and the other end of inlet tube (12) extends to outside collection box (5), and inlet tube (12) are located outlet pipe (4) with between main inlet tube (2), the top fixed mounting of collection box (5) has support (6), and the top fixed mounting of support (6) has rotation motor (7), and the output shaft that rotates motor (7) extends to in collection box (5), and fixed mounting has recovery machine (8).

2. The air flotation device for recovering the fine fibers in the papermaking process as claimed in claim 1, wherein a recovery tank (9) is fixedly installed on one side of the recovery tank (5) far away from the dissolved air water inlet pipe (3), and a return pipe (10) is fixedly installed at the bottom of the recovery tank (9).

3. The air flotation device for recovering fine fibers in papermaking according to claim 1, wherein one end of the water inlet pipe (12) in the recovery tank (5) extends into the contact zone draft tube (15), the top of the water inlet pipe is fixedly provided with the dissolved air releaser (16), and the dissolved air releaser (16) is positioned in the contact zone draft tube (15) and between the water outlet pipe (4) and the main water inlet pipe (2).

4. The air flotation device for recovering fine fibers in papermaking according to claim 1, wherein a water distribution pipe (13) is fixedly installed on the main water inlet pipe (2), and the water distribution pipe (13) is located in the guide cylinder (15) in the contact area.

5. The air flotation device for recovering fine fibers in papermaking according to claim 1, wherein a drain pipe (14) is fixedly installed at the bottom of the recovery box (5), and the drain pipe (14) is communicated with the contact zone draft tube (15).